Triethylamine → 2-{[2-(2,5-dioxo-pyrrolidin-1-yl)-pyridin-4-ylmethyl]-amino}-N-(3-trifluoromethyl-phenyl)-benzamide

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Reaction Steps

193 mg (0.5 mmol) of 2-[(2-amino-pyridin-4-ylmethyl)-amino]-N-(3-trifluoromethyl-phenyl)-benzamide is mixed in 20 ml of dichloromethane with 0.21 ml (1.5 mmol) of triethylamine, and it is mixed at room temperature drop by drop with a solution of 93 mg (0.6 mmol) of succinic acid dichloride in 3 ml of methylene chloride. After stirring overnight at room temperature, it is diluted with methylene chloride and washed in succession with water, saturated sodium bicarbonate solution and saturated common salt solution. Then, the organic phase is dried, filtered and concentrated by evaporation. The residue is chromatographed on Isolute (Separtis Company) with a gradient of methylene chloride:ethanol=100:0 to 95:5. 120 mg (51% of theory) of 2-{[2-(2,5-dioxo-pyrrolidin-1-yl)-pyridin-4-ylmethyl]-amino}-N-(3-trifluoromethyl-phenyl)-benzamide is obtained.

Provenance & Evidence